Take care of NULL chip_ops->name

Change-Id: I62b1c497d23ec2241efb963e7834728085824016
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/1565
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/arch/x86/boot/smbios.c b/src/arch/x86/boot/smbios.c
index 8877f60..a171707 100644
--- a/src/arch/x86/boot/smbios.c
+++ b/src/arch/x86/boot/smbios.c
@@ -278,7 +278,8 @@
 	int len = 0;
 
 	for(dev = tree; dev; dev = dev->next) {
-		printk(BIOS_INFO, "%s (%s)\n", dev_path(dev), dev->chip_ops ? dev->chip_ops->name : "");
+		printk(BIOS_INFO, "%s (%s)\n", dev_path(dev),
+			(dev->chip_ops && dev->chip_ops->name) ? dev->chip_ops->name : "");
 
 		if (dev->ops && dev->ops->get_smbios_data)
 			len += dev->ops->get_smbios_data(dev, handle, current);